The 29-year-old singer has been a vocal supporter of diversity and her beauty brand Fendy has been marketed as a product for every shade of skin.

"It's personal and some trans women are more comfortable being open about it than others, so I have to respect that as a woman myself! I don't think it's fair that a trans woman, or man, be used as a convenient marketing tool!" RiRi wrote on Instagram.

"Too often do I see companies doing this to trans and black women alike! There's always just that one spot in the campaign for the token 'we look mad diverse' girl/guy! It's sad!"

Her response prompted the fan who had asked her the question to admit he was wrong, writing: "When I thought she couldn't teach me more..."

Loving this take by @rihanna AND I think any casting or employment opportunity should clearly state its inclusion of trans (and other marginalized) folks. This is necessary in a world where we’re still denied access and lacking legal protection in so many ways. https://t.co/YORRHEEiUc

Trans activist Raquel Willis also supported Rihanna's views, writing: "Loving this take by Rihanna AND I think any casting or employment opportunity should clearly state its inclusion of trans (and other marginalized) folks.

"This is necessary in a world where we're still denied access and lacking legal protection in so many ways."

Beyoncé presented Colin Kaepernick with Sports Illustrated's Muhammad Ali Legacy Award on December 5, and she took a minute backstage to honor the People's Champ in her own way with a quick nod to The Greatest.